Suitable Charging for 5 series（each 3.6V OR 3.7V） lithium battery pack （ 18500 18650 26500 14500 14650 17490 cylindrical lithium battery pack, and polymer lithium battery pack） DESCRIPTION: Input Voltage : 100V--240V Output Voltage: 21V Output Current : 2A Output Power : 60W （max） Red led on when charging Green Led on when fully charged It is normal that the charger has a certain temperature when charging overcharge protection, short circuit protection, Overvoltage protection, Over current protection, Over temperature protection Constant current constant voltage charging When the battery is full, automatically converted to float charge mode, don't have to worry about charging time is too long damage to the battery
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